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<p>(LCT).  An early definition of the FRFT was introduced by <a href="page.php?w=Edward_Condon">Condon</a>, by solving for the <a href="page.php?w=Green%27s_function">Green's function</a> for phase-space rotations, and also by Namias, generalizing work of <a href="page.php?w=Norbert_Wiener">Wiener</a> on <a href="page.php?w=Hermite_polynomials">Hermite polynomials</a>.</p>

<p>However, it was not widely recognized in signal processing until it was independently reintroduced around 1993 by several groups. Since then, there has been a surge of interest</p><p>
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